<script>
    //1.对象复制

    let person1 = {"name":"lucy","age":20};

    let person2 = {...person1};
   // console.log(person2);


    // 2.合并对象
    let name = {name:'mary'};
    let age = {age:20};

    let p2 = {...name , ...age }
    console.log(p2);
</script>